IEC 62481-4:2017

Digital living network alliance (DLNA) home networked device interoperability guidelines - Part 4: DRM interoperability solutions

IEC 62481-4:2017(E) specifies DLNA guidelines for DRM Interoperability Solutions (DIS), which are defined as methods to enable the secure transfer and use of protected commercial content between different implementations on network media devices. This content could be protected by different content protection technologies. In this document, they are referred to as DRMs.
This second edition cancels and replaces the first edition published in 2014. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) removal of references to Mobile Digital Media Uploader (M-DMU);
b) removal of references to Mobile Digital Media Downloader (M-DMD).

General Information

• Status: Published
• Publication Date: 26-Jul-2017
• ICS: 33.160 - Audio, video and audiovisual engineering
• ICS: 35.100.05 - Multilayer applications
• ICS: 35.110 - Networking
• Technical Committee: TA 18 - Multimedia home systems and applications for end-user networks
• Current Stage: PPUB - Publication issued
• Start Date: 04-Aug-2017
• Completion Date: 27-Jul-2017

Relations

• Revises: IEC 62481-4:2014 - Digital living network alliance (DLNA) home networked device interoperability guidelines - Part 4: DRM interoperability solutions
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 62481-4 ®
Edition 2.0 2017-07
INTERNATIONAL
STANDARD
Digital living network alliance (DLNA) home networked device interoperability
guidelines –
Part 4: DRM interoperability solutions
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.

IEC Central Office Tel.: [phone]
3, rue de Varembé Fax: [phone]
CH-1211 Geneva 20 [e-mail]
Switzerland www.iec.ch
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.

About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigenda or an amendment might have been published.

IEC Catalogue - webstore.iec.ch/catalogue Electropedia - www.electropedia.org
The stand-alone application for consulting the entire The world's leading online dictionary of electronic and
bibliographical information on IEC International Standards, electrical terms containing 20 000 terms and definitions in
Technical Specifications, Technical Reports and other English and French, with equivalent terms in 16 additional
documents. Available for PC, Mac OS, Android Tablets and languages. Also known as the International Electrotechnical
iPad. Vocabulary (IEV) online.

IEC publications search - www.iec.ch/searchpub IEC Glossary - std.iec.ch/glossary
The advanced search enables to find IEC publications by a 65 000 electrotechnical terminology entries in English and
variety of criteria (reference number, text, technical French extracted from the Terms and Definitions clause of
committee,…). It also gives information on projects, replaced IEC publications issued since 2002. Some entries have been
and withdrawn publications. collected from earlier publications of IEC TC 37, 77, 86 and

CISPR.
IEC Just Published - webstore.iec.ch/justpublished

Stay up to date on all new IEC publications. Just Published IEC Customer Service Centre - webstore.iec.ch/csc
details all new publications released. Available online and If you wish to give us your feedback on this publication or
also once a month by email. need further assistance, please contact the Customer Service
Centre: [e-mail].
IEC 62481-4 ®
Edition 2.0 2017-07
INTERNATIONAL
STANDARD
Digital living network alliance (DLNA) home networked device interoperability

guidelines –
Part 4: DRM interoperability solutions

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.160; 35.100.05; 35.110 ISBN 978-2-8322-4544-6

– 2 – IEC 62481-4:2017 © IEC 2017

CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms, definitions and conventions . 6
3.1 Terms and definitions . 7
3.2 Conventions . 7
4 Networking architecture, device models and guideline conventions . 7
4.1 DLNA home networking architecture . 7
4.2 DLNA device model . 7
4.3 Guideline terminology and conventions . 8
5 Guideline requirements . 8
5.1 General . 8
5.2 Common DRM interoperability guidelines . 8
5.2.1 General . 8
5.2.2 Media management – MM/CP additional MM flags-param (flags
parameter) . 8
5.2.3 DRM interoperability technology guidelines requirements – DTCP-IP DIS
support . 8
5.3 DTCP-IP DIS guidelines . 9
5.3.1 General . 9
5.3.2 Media management . 9
5.3.3 Media Transport . 11
5.3.4 DTCP profiling guidelines . 15
5.3.5 DTCP-IP DIS requirements . 16
Annex A (informative) DTCP-IP DIS behaviour explanations . 21
A.1 Overview of DTCP-IP DIS behaviour . 21
A.2 Example of DTCP-IP DIS sequences . 21
A.2.1 General . 21
A.2.2 Download Copy sequence . 22
A.2.3 Download Move sequence . 22
A.2.4 Upload Copy sequence . 23
A.2.5 Upload Move sequence . 25

Figure A.1 – Overview of DTCP-IP DIS behaviour . 21
Figure A.2 – Example of Download Copy sequence . 22
Figure A.3 – Example of Download Move sequence . 23
Figure A.4 – Example of Upload Copy sequence . 24
Figure A.5 – Example of Upload Move sequence . 26

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
DIGITAL LIVING NETWORK ALLIANCE (DLNA) HOME NETWORKED
DEVICE INTEROPERABILITY GUIDELINES –

Part 4: DRM interoperability solutions

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in
addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their
preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence between
any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses
arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 62481-4 has been prepared under technical area 8: Multimedia
home systems and applications for end-user network, of IEC technical committee 100: Audio,
video and multimedia systems and equipment.
This second edition cancels and replaces the first edition published in 2014. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) removal of references to Mobile Digital Media Uploader (M-DMU);
b) removal of references to Mobile Digital Media Downloader (M-DMD).

– 4 – IEC 62481-4:2017 © IEC 2017
The text of this International Standard is based on the following documents:
CDV Report on voting
100/2733/CDV 100/2883/RVC
Full information on the voting for the approval of this International Standard can be found in the
report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts of IEC 62481 series, published under the general title Digital living network
alliance (DLNA) home networked device interoperability guidelines, can be found on the
IEC website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
A bilingual version of this publication may be issued at a later date.

INTRODUCTION
Consumers are acquiring, viewing, and managing an increasing amount of digital media (photos,
music, and video) on devices in the consumer electronics (CE), mobile, and personal computer
(PC) domains. As such, they want to conveniently enjoy the content, regardless of the source,
across different devices and locations in the home. The digital home vision integrates the
Internet, mobile, and broadcast networks through a seamless, interoperable network, which will
provide a unique opportunity for manufacturers and consumers alike. In order to cater for this
need, a common set of industry design guidelines is needed that allows vendors to participate in
a growing marketplace, leading to more innovation, simplicity, and value for consumers. This
document serves that purpose and provides vendors with the information needed to build
interoperable networked platforms and devices for the digital home.

– 6 – IEC 62481-4:2017 © IEC 2017
DIGITAL LIVING NETWORK ALLIANCE (DLNA) HOME NETWORKED
DEVICE INTEROPERABILITY GUIDELINES –

Part 4: DRM interoperability solutions (DIS)

1 Scope
This part of IEC 62481, the DLNA guidelines, specifies DLNA guidelines for DRM
Interoperability Solutions (DIS), which are defined as methods to enable the secure transfer and
use of protected commercial content between different implementations on network media
devices. This content could be protected by different content protection technologies. In this
docu
...